how to create a circle with with center point

[MRReddy]

how to create a circle with with center point with radius 1/2 mile

var centerpoint = extent.getCenter();//gets centerpoint

from centerpoint 1/2 mile radius circle 

[RobertScheitlin__GISP]

Malla,

   Have you not seen the Circle geometry class?

Circle | API Reference | ArcGIS API for JavaScript 3.25